402212202 has 16 divisors (see below), whose sum is σ = 919342272. Its totient is φ = 114917760.

The previous prime is 402212191. The next prime is 402212203. The reversal of 402212202 is 202212204.

It is not an unprimeable number, because it can be changed into a prime (402212203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4788199 + ... + 4788282.

It is an arithmetic number, because the mean of its divisors is an integer number (57458892).

Almost surely, 2^402212202 is an apocalyptic number.

402212202 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402212202 is an abundant number, since it is smaller than the sum of its proper divisors (517130070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402212202 is a wasteful number, since it uses less digits than its factorization.

402212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576493.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 402212202 is about 20055.2287945064. The cubic root of 402212202 is about 738.1621070000.

Adding to 402212202 its reverse (202212204), we get a palindrome (604424406).

The spelling of 402212202 in words is "four hundred two million, two hundred twelve thousand, two hundred two".